- From: Alain Couthures <alain.couthures@agencexml.com>
- Date: Wed, 04 Apr 2012 08:51:41 +0200
- To: Erik Bruchez <ebruchez@gmail.com>
- CC: "public-xformsusers@w3.org" <public-xformsusers@w3.org>
> In Orbeon Forms, @ref can return any sequence of items, not only > nodes. Now the question is whether the working group in fact decided > to do this. Nick, do you remember the details? > > The XForms 2.0 doc right now says [1] "Binding expression interpreted > as specified in the expression module." > > The XPath Expressions Module [2] defines a Binding expression as "An > [XPath 2.0] expression used in a binding". But certainly it should > address the fact that a binding expression does not necessarily point > to nodes, and how it deals with atomic values. Right now I don't find > anything on that topic in the spec. > There is already a confusion for users between @ref and @value and this tends to reduce the amount of xforms-binding-exceptions. Should implementations check that input/@ref with only a value is not allowed while output/@ref is always OK? Would there be a null value?? -Alain
Received on Wednesday, 4 April 2012 06:52:12 UTC